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Blackfin arch: Move all the silicon rev handling to one place
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Move all the silicon rev handling to one place (Kconfig) and
make sure we warn if you are running on silicon that has not been tested on

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Mike Frysinger authored and Bryan Wu committed Oct 9, 2008
1 parent 664d040 commit 0c0497c
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Showing 7 changed files with 15 additions and 11 deletions.
13 changes: 13 additions & 0 deletions arch/blackfin/Kconfig
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Expand Up @@ -166,6 +166,19 @@ config BF561

endchoice

config BF_REV_MIN
int
default 0 if (BF52x || BF54x)
default 2 if (BF537 || BF536 || BF534)
default 3 if (BF561 ||BF533 || BF532 || BF531)

config BF_REV_MAX
int
default 2 if (BF52x || BF54x)
default 3 if (BF537 || BF536 || BF534)
default 5 if (BF561)
default 6 if (BF533 || BF532 || BF531)

choice
prompt "Silicon Rev"
default BF_REV_0_1 if (BF52x || BF54x)
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3 changes: 2 additions & 1 deletion arch/blackfin/kernel/setup.c
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Expand Up @@ -821,9 +821,10 @@ void __init setup_arch(char **cmdline_p)
printk(KERN_ERR "Warning: Compiled for Rev %d, but running on Rev %d\n",
bfin_compiled_revid(), bfin_revid());
}
if (bfin_revid() < SUPPORTED_REVID)
if (bfin_revid() <= CONFIG_BF_REV_MIN || bfin_revid() > CONFIG_BF_REV_MAX)
printk(KERN_ERR "Warning: Unsupported Chip Revision ADSP-%s Rev 0.%d detected\n",
CPU, bfin_revid());

printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n");

printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n",
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2 changes: 0 additions & 2 deletions arch/blackfin/mach-bf527/include/mach/bf527.h
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Expand Up @@ -30,8 +30,6 @@
#ifndef __MACH_BF527_H__
#define __MACH_BF527_H__

#define SUPPORTED_REVID 2

#define OFFSET_(x) ((x) & 0x0000FFFF)

/*some misc defines*/
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2 changes: 0 additions & 2 deletions arch/blackfin/mach-bf533/include/mach/bf533.h
Original file line number Diff line number Diff line change
Expand Up @@ -30,8 +30,6 @@
#ifndef __MACH_BF533_H__
#define __MACH_BF533_H__

#define SUPPORTED_REVID 2

#define OFFSET_(x) ((x) & 0x0000FFFF)

/*some misc defines*/
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2 changes: 0 additions & 2 deletions arch/blackfin/mach-bf537/include/mach/bf537.h
Original file line number Diff line number Diff line change
Expand Up @@ -30,8 +30,6 @@
#ifndef __MACH_BF537_H__
#define __MACH_BF537_H__

#define SUPPORTED_REVID 2

/* Masks for generic ERROR IRQ demultiplexing used in int-priority-sc.c */

#define SPI_ERR_MASK (TXCOL | RBSY | MODF | TXE) /* SPI_STAT */
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2 changes: 0 additions & 2 deletions arch/blackfin/mach-bf548/include/mach/bf548.h
Original file line number Diff line number Diff line change
Expand Up @@ -30,8 +30,6 @@
#ifndef __MACH_BF548_H__
#define __MACH_BF548_H__

#define SUPPORTED_REVID 0

#define OFFSET_(x) ((x) & 0x0000FFFF)

/*some misc defines*/
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2 changes: 0 additions & 2 deletions arch/blackfin/mach-bf561/include/mach/bf561.h
Original file line number Diff line number Diff line change
Expand Up @@ -30,8 +30,6 @@
#ifndef __MACH_BF561_H__
#define __MACH_BF561_H__

#define SUPPORTED_REVID 0x3

#define OFFSET_(x) ((x) & 0x0000FFFF)

/*some misc defines*/
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